#region License

/* Copyright (c) 2008, Dusty Candland
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 * * Neither the name of Dusty Candland nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#endregion

using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;

namespace NS3Library.SQLite
{
    internal class BaseRepository
    {
        private readonly string _connectionString;

        public BaseRepository(string connectionString)
        {
            _connectionString = connectionString;
        }

        public void ExecuteNonQuery(string sql, params SQLiteParameter[] parameters)
        {
            using (var connection = new SQLiteConnection(_connectionString))
            using (SQLiteCommand command = connection.CreateCommand())
            {
                connection.Open();
                command.CommandText = sql;
                command.CommandType = CommandType.Text;
                command.Parameters.AddRange(parameters);
                command.ExecuteNonQuery();
            }
        }

        public IEnumerable<T> ExecuteReader<T>(string sql, ParseReadRowDelegate<T> parseReadRow,
                                               params SQLiteParameter[] parameters)
        {
            var list = new List<T>();
            using (var connection = new SQLiteConnection(_connectionString))
            using (SQLiteCommand command = connection.CreateCommand())
            {
                connection.Open();
                command.CommandText = sql;
                command.CommandType = CommandType.Text;
                command.Parameters.AddRange(parameters);

                SQLiteDataReader reader = command.ExecuteReader(CommandBehavior.CloseConnection);
                while (reader.Read())
                {
                    list.Add(parseReadRow(reader));
                }
            }
            return list;
        }
    }
}